A soft, silvery metal that burns in air and reacts with water. It is used to make special glass for televisions, but it is best known as the brilliant reds its salts give to fireworks and flares. Because it is very like calcium, it can mimic its way into our bodies, ending up in our bones. Radioactive strontium-90, which is produced in nuclear explosions and released during nuclear plant accidents, is particularly worrying because it can be absorbed into the bones of young children.
Saturday, November 6, 2010
Requirements 11/07/10
STR - Presentations na two weeksto prepare ay due Nov. 09
Topics that are included: 1.)What is ? 2.) How is it used? 3.) When is it used?
4.) Exercises din
Chem - answer 11.51, 11.52
nakakaawa naman si site natin kasi paunti ng paunti nagpopost. hehehe hi REQ! :P
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